#include<cstdio>
using namespace std;
int n,v[9],use[9];
void Print(){
	for(int j=1;j<=n;++j){
		printf("%d ",v[j]);
	}
	printf("\n");
}
void back(int k){
	if(k==n+1){
		Print();
		return;
	}
	for(int i=1;i<=n;++i){
		if(!use[i]){
			v[k]=i;
			use[i]=1;
			back(k+1);
			use[i]=0;
		}
	}
}
int main(){
	freopen("permutari.in","r",stdin);
	freopen("permutari.out","w",stdout);
	scanf("%d",&n);
	back(1);
	return 0;
}